Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031;
Center for Magnetic Fusion Theory, Chinese Academy of Sciences, Hefei 230031;
Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031;
Center for Magnetic Fusion Theory, Chinese Academy of Sciences, Hefei 230031;
Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031;
Center for Magnetic Fusion Theory, Chinese Academy of Sciences, Hefei 230031;
Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031;
Center for Magnetic Fusion Theory, Chinese Academy of Sciences, Hefei 230031;
School of Physics and Electronic Engineering, Fuyang Normal University, Fuyang 236037;